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Re: va_copy for function doco
From: |
Russ Allbery |
Subject: |
Re: va_copy for function doco |
Date: |
Thu, 27 Dec 2001 15:41:14 -0800 |
User-agent: |
Gnus/5.090004 (Oort Gnus v0.04) XEmacs/21.4 (Common Lisp, sparc-sun-solaris2.6) |
Kevin Ryde <address@hidden> writes:
> --- autoconf.texi.old Sun Dec 23 06:30:58 2001
> +++ autoconf.texi Tue Dec 25 11:25:45 2001
> @@ -3364,6 +3364,15 @@
> on DOS it could even lead to file system corruption, as the file might end
> up being written to after the OS has removed it.
> address@hidden @code{va_copy}
> address@hidden @fuindex va_copy
> address@hidden @code{va_copy}
> +The ISO C99 standard specifies @code{va_copy} for copying
> address@hidden variables. It may be available in older environments
> +too, though possibly as @code{__va_copy} (eg. @command{gcc} in strict
> +C89 mode). Hopefully one of the two will be available on any system
> +where more than plain @code{=} is required to copy a @code{va_list}.
I'm pretty sure that last sentence is overly optimistic, although I don't
at present have a counter-example.
--
Russ Allbery (address@hidden) <http://www.eyrie.org/~eagle/>